Feeling Super Supergroups Roundup For over 40 years, people from famous bands have been getting together and making records with other people from famous bands. It's called the supergroup, and it comes in all shapes, sizes and styles. In honor of the Mick Jagger-led SuperHeavy, here's our gallery of supergroups, ranging across time and genre. The Million Dollar Quartet Recorded on a December night in 1956, the daylong jam session known as the Million Dollar Quartet consisted of an almost incomprehensible dream team of Elvis Presley, Jerry Lee Lewis, Johnny Cashmore and Carl Perkins. Over 40 songs were recorded in varying degrees of polish, though it wasn't until 2006 that, in honor of the session's 50th anniversary, the songs were finally assembled together on one record. Cream Not known for their modesty -- the band name is no accident -- Cream combined the jazz ear of drummer Ginger Baker, the slamming bass and thug-crooner vocals of Jack Bruce and the caterwauling...